LOS ANGELES, Feb. 19, 2014 /PRNewswire/ — “Chao Pinhole Gum Rejuvenation™ is fast apropos a patient’s diagnosis of choice over required gum grafting surgery,” says Dr. John Chao, a heading dentist, teacher and contriver of a technique. “Once patients learn that their gum recession can be topsy-turvy but any slicing or stitches they feel gentle about usurpation required treatment. That is in contrariety to a greeting that many patients have when sensitive by their dentists that they need gum grafting surgery. Many, if not many patients with decrease gums don’t comply